have trouble in doing have difficult in doing have problem in doing这三个固定搭配中trouble difficulty problem用加s 为什么这三个固定搭配中trouble difficulty problem用加s吗 为什么

sb have trouble (in) doing Have you been in trouble? have trouble 用法have trouble with it 还是 in it?求have tourble 所有用法have trouble withhave trouble onhave trouble in 各种求... have trouble in sth有没有的 have trouble ______physics .填in 还是with have a great deal of trouble (in) have difficulty in doing sth .have trouble in doing sth have trouble with sth和have trouble (in)doing sth区别?@_@~have trouble with sth和have trouble (in)doing sth区别? have trouble have...trouble have trouble have some trouble in 和have some trouble with的区别 have trouble doing sth和have trouble in doing有什么区别 have trouble 【in】doing sth?in可以省略? be in trouble与have trouble in doing有什么区别 做某事有困难have a trouble to do sth.还是have a trouble in doing sth还是 have trouble in doing 表示 I have some trouble in learning english 同义句 have trouble in doing sthin可不可以省略呀!